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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series
Packaging Tape & Reel (TR) |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 1.8V, 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.22V @ 300mA (Typ), -
Current - Output 300mA, 300mA
Current - Quiescent (Iq) -
Current - Supply (Max) -
PSRR 72dB ~ 68dB (10kHz ~ 100Hz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-VFDFN Exposed Pad
Supplier Device Package 8-TQFN (2x2)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MP20041DGT-GS-LF-Z is a dual 300mA LDO regulator with fixed 1.8V and 3.3V outputs. It features a low 0.22V dropout voltage and high PSRR (72dB at 10kHz), ensuring clean power delivery. The compact 8-TQFN package makes it suitable for space-constrained applications requiring two different voltage rails.

  • Dual Voltage Rails: Provides 1.8V and 3.3V outputs, reducing component count in mixed-voltage designs.
  • High PSRR: 72dB at 10kHz rejects switching noise, ideal for audio and RF circuits.
  • Low Dropout: 0.22V typical dropout improves efficiency in battery-powered devices.
  • Small Size: 8-TQFN (2x2mm) package fits tight layouts.

Mixed-Voltage Digital Systems

Power a 1.8V core and 3.3V I/O simultaneously from a single 3.3V input, simplifying power tree design for FPGAs and DSPs.

Sensor Signal Conditioning

Use the 1.8V rail for low-voltage analog sensors and 3.3V for the ADC reference, maintaining accuracy with high PSRR.

Wireless Connectivity Modules

Supply 1.8V for digital logic and 3.3V for RF front-ends, with low dropout ensuring stable operation during transmit bursts.

Industrial Control Interfaces

Generate dual rails for optocouplers and line drivers, benefiting from the compact package and reliable thermal performance.

Battery-Operated Handhelds

Extend runtime with 0.22V dropout, allowing operation down to 3.52V input for the 3.3V rail.

Multi-Rail Audio Codecs

Provide clean 1.8V for digital audio and 3.3V for analog sections, minimizing crosstalk and distortion.

Q: What are the output voltages of the MP20041DGT-GS-LF-Z?
A: This dual LDO provides fixed outputs of 1.8V and 3.3V.
Q: What is the maximum current per output?
A: Each output can source up to 300mA.
Q: What is the input voltage requirement?
A: The input voltage is specified as 3.3V for this configuration.
Q: What is the dropout voltage?
A: Typical dropout is 0.22V at 300mA load.
Q: What package is available?
A: It is offered in an 8-TQFN (2x2) package.
Q: How does it perform in noisy environments?
A: It features 72dB to 68dB PSRR from 10kHz to 100Hz, effectively suppressing noise.
Base Product Number : MP20041DGT
1.8V 3.3V 300mA 8-TQFN Dual Output High PSRR LDO Linear Regulator Low Dropout MPS
Q: What are the output voltages of the MP20041DGT-GS-LF-Z?
A: This dual LDO provides fixed outputs of 1.8V and 3.3V.
Q: What is the maximum current per output?
A: Each output can source up to 300mA.
Q: What is the input voltage requirement?
A: The input voltage is specified as 3.3V for this configuration.
Q: What is the dropout voltage?
A: Typical dropout is 0.22V at 300mA load.
Q: What package is available?
A: It is offered in an 8-TQFN (2x2) package.
Q: How does it perform in noisy environments?
A: It features 72dB to 68dB PSRR from 10kHz to 100Hz, effectively suppressing noise.